Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:07:44 2013

Optimize a model with 76647 rows, 75777 columns and 302847 nonzeros
Presolve removed 3383 rows and 0 columns
Presolve time: 0.50s
Presolved: 73264 rows, 75777 columns, 296081 nonzeros
Variable types: 75690 continuous, 87 integer (87 binary)

Root relaxation: objective 1.065486e+05, 18504 iterations, 4.68 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0 106548.643    0    5          - 106548.643     -      -    5s
H    0     0                    108914.00000 106548.643  2.17%     -    5s
H    0     0                    107516.00000 106548.643  0.90%     -    6s
     0     0 106553.698    0    5 107516.000 106553.698  0.90%     -    6s
     0     0 106553.698    0    5 107516.000 106553.698  0.90%     -    6s
     0     0 106553.698    0    5 107516.000 106553.698  0.90%     -    7s
H    0     0                    107489.84956 106553.698  0.87%     -    9s
H    0     0                    107235.00000 106553.698  0.64%     -    9s
     0     0 106553.698    0    5 107235.000 106553.698  0.64%     -   14s
     0     0 106553.698    0    5 107235.000 106553.698  0.64%     -   14s
     0     2 106553.947    0    5 107235.000 106553.947  0.64%     -   17s
    36    21 107134.742   14    1 107235.000 106836.869  0.37%   118   20s
H   37    15                    107192.00000 106836.869  0.33%   115   20s
*   40    13              15    107160.00000 106836.869  0.30%   109   20s
*   49     3               5    106997.00000 106972.902  0.02%   123   20s

Cutting planes:
  Gomory: 2
  Flow cover: 4

Explored 52 nodes (34218 simplex iterations) in 20.86 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.069970000000e+05, best bound 1.069970000000e+05, gap 0.0%